Monterey Bay Aquarium Research Institute
Marine Botany

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          Polysiphonia grows both subtidally and intertidally and is part of the complex ecology of the coastal environment. Click on the following links to learn more about each topic:

Substrates | Animal Communities | Invasions | Ecology Home

Pebble Beach. Many of the brownish spots are Polysiphonia.
This polychaete worm was about 1.5 inches long but could stretch another inch.